Finding the Fourth Proportional to 19,622,577.93, 27,079,157.61 and 10,922,805.74
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Solution
The fourth proportional to 19,622,577.93, 27,079,157.61 and 10,922,805.74 is: 15,073,471.95
Step by Step Solution
- Step 1: Write the proportion equation
19,622,577.93 : 27,079,157.61 = 10,922,805.74 : x - Step 2: Convert to fraction form
19,622,577.93/27,079,157.61 = 10,922,805.74/x - Step 3: Cross multiply
19,622,577.93x = 27,079,157.61 × 10,922,805.74 - Step 4: Simplify right side
19,622,577.93x = 295,780,378,041,476.88 - Step 5: Solve for x
x = 295,780,378,041,476.88/19,622,577.93 - Step 6: Final answer
x = 15,073,471.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.